One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,9)(4,14)(5,8)(6,11)(7,12)(10,16)(13,15)(17,18,22,27,23,28,29,26)(19,20,21,24,30,25,32,31)(2,8,12,11)(3,13,10,14)(4,15)(9,16)(17,19,29,32,23,30,22,21)(18,24,27,25,28,31,26,20)(1,3)(2,9)(4,11)(5,13)(6,14)(7,10)(8,15)(12,16)(17,20)(18,19)(21,26)(22,31)(23,25)(24,29)(27,32)(28,30) involution — undirected(1,4,6,9,7,15,5,16)(2,10,8,13,12,3,11,14)(17,21,29,19,23,32,22,30)(18,25,27,31,28,20,26,24)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.